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SAN FRANCISCO -- Obesity is associated with increased rates of abdominal pain, vomiting, bloating, and diarrhea, Dr. G. Richard Locke III said at the annual Digestive Disease Week.
The accelerating national epidemic of obesity means physicians can expect to see an increase in these symptoms in the general population, added Dr. Locke, a gastroenterologist at the Mayo Clinic, Rochester, Minn.
Previous population-based studies have linked obesity to an increased prevalence of gastroesophageal reflux disease. In an effort to establish whether body mass index (BMI) is also associated with other GI symptoms in the community setting as opposed to the tertiary care centers where many studies in gastroenterology are conducted, Dr. Locke and his colleagues analyzed responses to two questionnaires sent to a random sample of Olmsted County, Minn., residents. Roughly 3,000 responded.
After adjusting in a logistic regression analysis for age, gender, alcohol and tobacco use, and psychosomatic symptom score, the investigators found a marked association between BMI and frequent vomiting, diarrhea, upper abdominal pain, and bloating.
For example, 33% of individuals in what's known as obesity class III--those whose BMI exceeds 40 kg/[m.sup.2]-reported experiencing frequent episodes of diarrhea; that was nearly twice the rate reported by normal-weight respondents. Moreover, 25% of individuals with class III obesity reported bloating, and 22% experienced upper abdominal pain.
Individuals who were underweight, with a BMI less than 18.5 kg/[m.sup.2], were at 5.14-fold increased risk of early satiety, compared with normal-weight ...
Source: HighBeam Research, Abdominal pain linked to obesity. (Also Tied to Bloating).